Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
16 Cards in this Set
- Front
- Back
|
method call
|
messages sent to tell one of an object's methods to perform its task
|
|
|
instance variables
|
attributes of the class are specified by the classs's instance variables
|
|
|
access modifier
|
declares weather class/property is public or private
|
|
|
extensible language
|
programmers can declare new class types as needed
|
|
|
object creation expression
|
ie New GradeBook(), the operator New creates a new object of the class specified to the right of the keyword
|
|
|
constructor
|
a special type of method that is used only when an object is created to initialize the object's data
|
|
|
UML class diagram
|
diagram where each class is modeled as a rectange with three compartments; name of class, attributes, operations
|
|
|
string
|
type of variable used for strings in VB such as names addresses, etc.
|
|
|
local variables
|
variables declared in the body of a particular method; can be used only in that method
|
|
|
instance variables
|
declared inside a class declaration, but outside the bodies of the class's other members (methods, properties)
|
|
|
accessors
|
contained within properties of classes, are able to handle the details of returning and modifying data; ie Get...Set
|
|
|
Get accessor
|
Get
Return statement End Get |
|
|
Set accessor
|
Set(ByVal value as String)
variable = value End Set |
|
|
data validation
|
capabilities that scrutinize attempts to modify the instance variables's value to ensure that the value it recieves represents a vali time
|
|
|
value types
|
ie Integer, decimal, currency, etc.
|
|
|
reference types
|
contains the memory address where the data referred to by that variable is stored
|
